Quartz Gold FirmwareOperating system · Siretta

CVE-2022-42491

CRITICAL · 9.8 CVSS v3.1 Published 2023-01-26
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Several OS command injection vulnerabilities exist in the m2m binary of Siretta QUARTZ-GOLD G5.0.1.5-210720-141020. A specially-crafted network request can lead to arbitrary command execution. An attacker can send a network request to trigger these vulnerabilities.This command injection is reachable through the m2m's M2M_CONFIG_SET command

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

OS command injection vulnerability in the m2m binary of Siretta QUARTZ-GOLD G5.0.1.5-210720-141020. The M2M_CONFIG_SET command does not properly sanitize user input before passing it to system shell execution, allowing an attacker to inject arbitrary OS commands via specially-crafted network requests.

MitigationApply vendor firmware patch if available; otherwise, implement strict input validation/sanitization on the M2M_CONFIG_SET command path to prevent shell metacharacter injection, and consider network segmentation to limit exposure.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Quartz Gold FirmwareOperating system
Affected:= g5.0.1.5-210720-141020

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the device model
    Check the device label or login to the router web interface to confirm the model is Siretta Quartz Gold
    Affected if Device is not a Siretta Quartz Gold unit
  2. Check the firmware version
    Login to the router admin interface and navigate to Status or System Information page to view the installed firmware version, or use the command line and run 'cat /proc/version' or check /etc/version file if accessible via SSH/Telnet
    Affected if Firmware version is g5.0.1.5-210720-141020 exactly
  3. Verify m2m service is running
    Check if the m2m binary/service is running on the device via process list (ps command) or check /var/run for m2m-related processes
    Affected if m2m service process is active on the device
  4. Check network exposure of M2M interface
    Review firewall rules or network configuration to determine if the m2m service/M2M_CONFIG_SET command is accessible from network interfaces (WAN or LAN). Check listening ports and access control lists.
    Affected if M2M_CONFIG_SET command endpoint is reachable from untrusted networks

You are affected only if you have a Siretta Quartz Gold device running exactly firmware version g5.0.1.5-210720-141020 AND the m2m service is running AND the M2M_CONFIG_SET command is network-accessible.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Apply vendor firmware patch if available; otherwise, implement strict input validation/sanitization on the M2M_CONFIG_SET command path to prevent shell metacharacter injection, and consider network segmentation to limit exposure.

Fix this in Quartz Gold Firmware Scoped from the published advisory
  • Consultation6.0 h
  • Implementation12.0 h
  • Testing8.0 h
  • Review / QA4.0 h
30.0 hours of engineering $5,280
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Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2022-42491 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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